oj.uz

Submission #204224

# Submission time Handle Problem Language Result Execution time Memory
204224 2020-02-25T08:29:21 Z awlintqaa Roller Coaster Railroad (IOI16_railroad) C++14
34 / 100
 99 ms 26872 KB 
#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#include <bits/stdc++.h>
using namespace std;
#define sqr 200
#define mid (l+r)/2
#define pb push_back
#define ppb pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define ins insert
#define era erase
#define C continue
#define mem(dp,i) memset(dp,i,sizeof(dp))
#define mset multiset
typedef long long ll;
typedef short int si;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<pi> vpi;
typedef vector<pll> vpll;
const ll mod=1e9+7;
const ll inf= 4e18;
const ld pai=acos(-1);
#include "railroad.h"
ll n ;
ll dp[(1<<17)+9][19];
ll l[19],r[19];
ll calc(ll x , ll y ){
        if ( x<=y)return 0;
        return x-y;
}
ll bt(int mask,int last){
        if ( mask == (1<<(n+1)) -1 ) return 0;
        ll &ret=dp[mask][last];
        if( ret != -1) return ret;
        ret = inf;
        for(int i =1 ;i <=n; i++){
                if ( (mask&(1<<i) ) == 0 ){
                        ret = min ( ret ,bt ( mask|(1<<i) , i ) + calc(r[last],l[i] ) );
                }
        }
        return ret;
}
long long plan_roller_coaster(std::vector<int> s, std::vector<int> t) {
    n = (int) s.size();
    mem(dp,-1);
    r [0] = 1;
    for(int i = 0 ;i < n ;i ++ ) {
        l[i+1]=s[i];
        r[i+1]=t[i];
    }
    return bt(1,0);
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 19832 KB n = 2
2 Correct 15 ms 19832 KB n = 2
3 Correct 16 ms 19832 KB n = 2
4 Correct 17 ms 19832 KB n = 2
5 Correct 16 ms 19832 KB n = 2
6 Correct 17 ms 19832 KB n = 2
7 Correct 16 ms 19832 KB n = 3
8 Correct 16 ms 19832 KB n = 3
9 Correct 16 ms 19832 KB n = 3
10 Correct 16 ms 19832 KB n = 8
11 Correct 16 ms 19832 KB n = 8
12 Correct 16 ms 19832 KB n = 8
13 Correct 16 ms 19832 KB n = 8
14 Correct 16 ms 19832 KB n = 8
15 Correct 16 ms 19832 KB n = 8
16 Correct 17 ms 19832 KB n = 8
17 Correct 16 ms 19832 KB n = 8
18 Correct 16 ms 19832 KB n = 8
19 Correct 16 ms 19832 KB n = 3
20 Correct 16 ms 19832 KB n = 7
21 Correct 19 ms 19832 KB n = 8
22 Correct 16 ms 19832 KB n = 8
23 Correct 16 ms 19832 KB n = 8
24 Correct 15 ms 19832 KB n = 8
25 Correct 15 ms 19832 KB n = 8

Subtask #2
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 19832 KB n = 2
2 Correct 15 ms 19832 KB n = 2
3 Correct 16 ms 19832 KB n = 2
4 Correct 17 ms 19832 KB n = 2
5 Correct 16 ms 19832 KB n = 2
6 Correct 17 ms 19832 KB n = 2
7 Correct 16 ms 19832 KB n = 3
8 Correct 16 ms 19832 KB n = 3
9 Correct 16 ms 19832 KB n = 3
10 Correct 16 ms 19832 KB n = 8
11 Correct 16 ms 19832 KB n = 8
12 Correct 16 ms 19832 KB n = 8
13 Correct 16 ms 19832 KB n = 8
14 Correct 16 ms 19832 KB n = 8
15 Correct 16 ms 19832 KB n = 8
16 Correct 17 ms 19832 KB n = 8
17 Correct 16 ms 19832 KB n = 8
18 Correct 16 ms 19832 KB n = 8
19 Correct 16 ms 19832 KB n = 3
20 Correct 16 ms 19832 KB n = 7
21 Correct 19 ms 19832 KB n = 8
22 Correct 16 ms 19832 KB n = 8
23 Correct 16 ms 19832 KB n = 8
24 Correct 15 ms 19832 KB n = 8
25 Correct 15 ms 19832 KB n = 8
26 Correct 16 ms 19832 KB n = 8
27 Correct 15 ms 19832 KB n = 8
28 Correct 16 ms 19832 KB n = 8
29 Correct 89 ms 19960 KB n = 16
30 Correct 91 ms 19832 KB n = 16
31 Correct 86 ms 19836 KB n = 16
32 Correct 86 ms 19832 KB n = 16
33 Correct 88 ms 19960 KB n = 16
34 Correct 90 ms 19784 KB n = 16
35 Correct 90 ms 19832 KB n = 16
36 Correct 49 ms 19832 KB n = 15
37 Correct 16 ms 19832 KB n = 8
38 Correct 91 ms 19832 KB n = 16
39 Correct 98 ms 19832 KB n = 16
40 Correct 16 ms 19832 KB n = 9
41 Correct 89 ms 19828 KB n = 16
42 Correct 86 ms 19832 KB n = 16
43 Correct 99 ms 19832 KB n = 16
44 Correct 16 ms 19832 KB n = 9
45 Correct 46 ms 19832 KB n = 15
46 Correct 93 ms 19832 KB n = 16
47 Correct 90 ms 19860 KB n = 16
48 Correct 90 ms 19832 KB n = 16

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 92 ms 26872 KB answer is not correct: 1 instead of 0
2 Halted 0 ms 0 KB -

Subtask #4
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 19832 KB n = 2
2 Correct 15 ms 19832 KB n = 2
3 Correct 16 ms 19832 KB n = 2
4 Correct 17 ms 19832 KB n = 2
5 Correct 16 ms 19832 KB n = 2
6 Correct 17 ms 19832 KB n = 2
7 Correct 16 ms 19832 KB n = 3
8 Correct 16 ms 19832 KB n = 3
9 Correct 16 ms 19832 KB n = 3
10 Correct 16 ms 19832 KB n = 8
11 Correct 16 ms 19832 KB n = 8
12 Correct 16 ms 19832 KB n = 8
13 Correct 16 ms 19832 KB n = 8
14 Correct 16 ms 19832 KB n = 8
15 Correct 16 ms 19832 KB n = 8
16 Correct 17 ms 19832 KB n = 8
17 Correct 16 ms 19832 KB n = 8
18 Correct 16 ms 19832 KB n = 8
19 Correct 16 ms 19832 KB n = 3
20 Correct 16 ms 19832 KB n = 7
21 Correct 19 ms 19832 KB n = 8
22 Correct 16 ms 19832 KB n = 8
23 Correct 16 ms 19832 KB n = 8
24 Correct 15 ms 19832 KB n = 8
25 Correct 15 ms 19832 KB n = 8
26 Correct 16 ms 19832 KB n = 8
27 Correct 15 ms 19832 KB n = 8
28 Correct 16 ms 19832 KB n = 8
29 Correct 89 ms 19960 KB n = 16
30 Correct 91 ms 19832 KB n = 16
31 Correct 86 ms 19836 KB n = 16
32 Correct 86 ms 19832 KB n = 16
33 Correct 88 ms 19960 KB n = 16
34 Correct 90 ms 19784 KB n = 16
35 Correct 90 ms 19832 KB n = 16
36 Correct 49 ms 19832 KB n = 15
37 Correct 16 ms 19832 KB n = 8
38 Correct 91 ms 19832 KB n = 16
39 Correct 98 ms 19832 KB n = 16
40 Correct 16 ms 19832 KB n = 9
41 Correct 89 ms 19828 KB n = 16
42 Correct 86 ms 19832 KB n = 16
43 Correct 99 ms 19832 KB n = 16
44 Correct 16 ms 19832 KB n = 9
45 Correct 46 ms 19832 KB n = 15
46 Correct 93 ms 19832 KB n = 16
47 Correct 90 ms 19860 KB n = 16
48 Correct 90 ms 19832 KB n = 16
49 Incorrect 92 ms 26872 KB answer is not correct: 1 instead of 0
50 Halted 0 ms 0 KB -